EP1925227A1 - Unfolding clasp for bracelets - Google Patents

Unfolding clasp for bracelets Download PDF

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Publication number
EP1925227A1
EP1925227A1 EP06124829A EP06124829A EP1925227A1 EP 1925227 A1 EP1925227 A1 EP 1925227A1 EP 06124829 A EP06124829 A EP 06124829A EP 06124829 A EP06124829 A EP 06124829A EP 1925227 A1 EP1925227 A1 EP 1925227A1
Authority
EP
European Patent Office
Prior art keywords
longitudinal members
clasp according
members
clasp
loop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06124829A
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German (de)
French (fr)
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EP1925227B1 (en
Inventor
Elio Granito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dexel SA
Original Assignee
Dexel SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dexel SA filed Critical Dexel SA
Priority to AT06124829T priority Critical patent/ATE421264T1/en
Priority to DE602006005007T priority patent/DE602006005007D1/en
Priority to EP06124829A priority patent/EP1925227B1/en
Priority to ES06124829T priority patent/ES2321440T3/en
Publication of EP1925227A1 publication Critical patent/EP1925227A1/en
Application granted granted Critical
Publication of EP1925227B1 publication Critical patent/EP1925227B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/18—Fasteners for straps, chains or the like
    • A44C5/22—Fasteners for straps, chains or the like for closed straps
    • A44C5/24—Fasteners for straps, chains or the like for closed straps with folding devices

Definitions

  • the present invention relates to a folding clasp for a bracelet, particularly for a watch strap, which may comprise one or two folding clasps, and comprising a small number of parts to be assembled, while offering great ease of handling, in particular to unlock the clasp and allow the user to remove the watch from his wrist, and conversely prevent accidental opening.
  • an unfolding clasp comprises a base in contact with the wrist, one or two articulated loops in the base and locking / unlocking means to keep the clasp in the closed position or on the contrary to open.
  • locking / unlocking means many constructions have already been proposed, among which we can retain the following documents.
  • the document EP 0 115 740 discloses a clasp having two folding loops hinged in a base having a closed contour, but whose longitudinal members have a certain elasticity to allow snapping loops by pressure on the base.
  • the device does not have pushers, and to open the clasp, it is necessary to pull the two bracelet strands attached to the ends of the loops. It is obvious that repeated opening / closing maneuvers may cause some fatigue of the longerons no longer giving the necessary guarantees of closure, or may cause accidental opening.
  • the present invention therefore relates to an unfolding clasp, not having the disadvantages of the aforementioned prior art, in particular thanks to a robust construction comprising only rigid parts, in small numbers and easy to assemble, without causing an increase thick.
  • the clasp is characterized in that the two longitudinal members are two rigid independent parts, that is to say designed to have no flexibility in the transverse direction. These two longitudinal members slide on the connecting means being held close together or spaced apart by elastic means to keep the latching members locked, said latching means being able to be unlocked by exerting pressure on the longitudinal members. compressing the elastic means.
  • the device according to the invention can therefore act, either in action or in reaction according to the embodiment, and according to the type of locking / unlocking mechanism adopted.
  • the clasp according to the invention can in fact be designed with one or two loops having arms positioned outside the longitudinal members, or on the contrary inside the longitudinal members.
  • the locking / unlocking mechanism may be of the "double action” type, that is to say, it will allow both locking and unlocking, or of the “simple action” type, that is to say allowing locking but require a push button system for disengaging the male hooking member from the female member.
  • the arms of the loops are positioned outside the longitudinal members being kept spaced from said longitudinal members by the elastic means, the pushing device disposed in the middle part of the base, consisting of by two pushers coming from material with the longitudinal members and acting in compression on a spring disposed between said longitudinal members.
  • the arms of the loops are positioned inside the longitudinal members being held close to said longitudinal members by the elastic means, the pushing device disposed in the middle part of the base being constituted by two pushers passing through each spar, each push for securing a rod coming off the opposite spar when the pushers are pressed to release the shackles.
  • the clasp has only one loop, with a locking / unlocking mechanism according to one of the preceding embodiments, and with a mode of attachment of the bracelet strands adapted to this mode of production.
  • the clasp with one or two folding clasps, may have no pusher when the male coupling member is formed by a boss having two inclined planes.
  • FIG. 1 A first embodiment will now be described with reference to the Figures 1 to 7 .
  • the clasp is formed by a rigid base 3 consisting of two separate longitudinal members 5 and two rigid identical loops 7, mounted at each end of the longitudinal members 5 and having between them mechanical connection means 17.
  • the means of mechanical connection are constituted by a hinge axis 17 driven into the ends 15 of the arms 9 of the loops 7 and freely traversing the ends of each spar 5.
  • the arms 9 of the loops 7 are connected by a rigid crosspiece 11 supporting the attachment means 13 of the bracelet strands (not shown) coming to cover each loop 7 in the closed position ( Fig. 1 ) and that they have at their ends through passages 10 for the hinge pins 17.
  • the fastening means 13 are constituted by a small tube 14 provided in the middle part of the crossbar 11. From Equivalently these fastening means may be constituted by two small tubes arranged on the edges of the crosspieces 11, or by any means known to those skilled in the art to attach bracelet strands to a watch clasp.
  • each spar 5 is provided with a pusher 19 integral with said spar, perpendicular to it and extending slightly beyond the arms 9 of the loops 7, so as to mark their location so that the two pushers 19 can be pressed between two fingers to allow simultaneous unlocking of the two loops 7.
  • This unlocking takes place by bringing the two longitudinal members 5 together, as indicated by the small arrows of the figure 2 according to a relatively simple mechanism that will be better understood by referring now to Figures 3 to 7 .
  • the figure 3 corresponds to the figure 1 in top view, with representation of the dotted hidden parts.
  • the middle portion between the pushers is arranged to allow the establishment of the elastic means 25 to keep spaced the side members 5 when the clasp is in the closed position.
  • these elastic means are constituted by a tubular bar 35, of the type that can be found for fixing the bracelet strands between the horns of a watch case. As we see it on the enlarged section of the figure 6 , the tubular bar 35 can accommodate a spring 36, in compression on two pivots 37.
  • the pivots 37 are positioned in two blind holes 38 formed in an excess thickness 6 of the longitudinal members 5 in their middle part.
  • other elastic means and other locations can be envisaged.
  • the figure 7 represents a guide tube 40 traversed by each hinge pin 17 and having in its middle part an enlargement 42. This guide tube 40 allows both to hide the hinge pin 17 for aesthetic purposes and to limit the deflection (?) of the longitudinal members 5 while abutting in a bowl 18a of the passage 18 located at the ends of each spar 5.
  • Each spar 5 comprises on either side of the pusher 19 a projecting element 20 having an inclined plane 20a on the loop 7 side and a flat 20b on the base 3 side, as can be seen better on the section of the Figure 2A .
  • Each arm 9 of each loop 7 comprises a recess 21 whose shape is complementary to that of the projecting element 20.
  • the locking of the loops is effected by pressing them against the base 3, and unlocking by acting on the pushers 19 to bring the longitudinal members 5 closer and disengage the male members 20 from the female members 21. No accidental unlocking is possible.
  • This embodiment is remarkable in that it comprises a very small number of parts that can be assembled without any screwing.
  • This second embodiment is based on the same principle as the previous one, but differs in that the loops 7 are positioned inside the longitudinal members 5 of the base 3. This has the effect of reversing in a way the mechanism of locking / unlocking, as explained below.
  • the loop 7 has a completely closed contour constituted by two arms 9 connected by a crosspiece 11 supporting the attachment means 13 of the bracelet strands and by a second crosspiece 12 rigidly joining the ends of the arms 9.
  • the second crosspiece 12 has a through passage 10 for the hinge means 17 of each loop 7 with the two longitudinal members 5 located outside.
  • the middle part of each spar 5 is provided with a through pusher 29, and a spacer 39 arranged at the same level to contain and hide the locking / unlocking mechanism which will be explained later.
  • the figure 10 corresponds to the figure 8 in top view with dashed representation of the hidden parts including the locking / unlocking mechanism. We will not repeat the description of the visible parts already described.
  • the middle portion of the clasp has on each outer side longitudinal members 5, a pusher 29, shown isolated at figure 13A , which can be maneuvered in a corresponding recess 22 of each spar 5.
  • a rod 31, shown isolated at figure 14A and a spring 28 are associated with each pusher 29 to form two sets whose travel and mechanical connection are provided by a spacer 39 shown isolated at Figures 15 and 16 .
  • the references of the two rods 31, arranged upside down, and the parts that compose them will thereafter be supplemented by the indices "a" and "b", if necessary.
  • the rod 31 comprises a head 32 which engages in a recess 30a of corresponding shape formed in the end of the pusher 29 facing inwards.
  • the rod 31 also has a portion of its length over a portion of its length 33 and at its end a narrowing 53 of diameter forming a shoulder 54.
  • the figure 13A shows that the pusher also comprises a well or a slot 30b for housing one end of the spring 28, the other end bearing in a circular recess 23 formed at the bottom of the recess 22 and of larger diameter than the through passage 41 provided for positioning the end of a rod 31.
  • the spacer 39 is constituted by a rectangular plate whose one side has the same width as the loops 7 and whose other sides are pierced with through passages 41a, 41b to allow the free passage of the rods 31a, 31b.
  • a hole threaded blind 47 is drilled in the center of the spacer in its lower face, with a diameter provided to form the slots 45 in the through passages 41a, 41b.
  • each connecting means 17 is constituted by two screws 17a with a slotted cylindrical head, each screw 17a passing freely through a through passage 18 from one end of a spar 5 to be screwed to one end of an intermediate sleeve 17b itself freely passing through the passage 10 of the rigid cross member 12 of a loop 7.
  • the bowl 18b for housing the head of the screw 17a has a depth greater than the height of the head so as to allow sufficient clearance 5 longitudinal members to move away from each other when pressing the pushers 29 to unlock the clasp by releasing from one another the latching members 20 and 21. Indeed when pressing the pushers 29, the springs 28 are compressed and the shoulder 54a, 54b of the rods 31a, 31b come to exert pressure on the edges of the through passages 16a, 16b of the longitudinal members 5 by separating them from one another.
  • FIG. 18 there is shown a variant which differs from the second embodiment, as shown in FIG. figure 10 by the location of the elastic means 25 and by the securing mode of the rods 31a, 31b.
  • the elastic means 25 are carried at the level of the connecting means 17, being constituted by a spring 28 interposed between the head of the screw 17a and the bottom of the bowl 18b of the through passage 18. It will also be observed that the screws 17a are directly screwed into the rigid cross member 12 of each loop 7.
  • rods 31a, 31b are modified in that the head 32 is replaced by a thread 34, the other end 53 having a slot 53a for directly screwing the rods 31a, 31b in threaded holes 30c of the pushers 29.
  • a third embodiment is described below which differs from the two previous embodiments in that the clasp comprises a single folding clasp, said embodiment being illustrated by a system of pushers operating on the same principle as that of the second mode. of realization.
  • the user presses, as indicated by the arrows, two pushers 29 positioned near one end of the rigid base 3, which causes the spacing of the longitudinal members 5 indicated by the small arrows to release the organs d hooking 20, 21.
  • the figure 21 corresponds to the figure 19 in top view with dashed representation of the hidden parts including the locking / unlocking mechanism.
  • a spacer 49 shown separately at Figures 22 and 23 allows to house a locking / unlocking mechanism, actuated by the pushers 29, in all respects identical to that already described for the variant of the second embodiment, and will therefore not be described further.
  • the spacer 49 also includes a portion 49a extending to the end of the longitudinal members 5.
  • the portion 49a is pierced with a through passage 44 to allow the passage of a connecting means 17 between the two longitudinal members 5, identical to that already described for the first embodiment.
  • the portion 49a is itself extended by an extension 51 constituting the attachment means 13 of a bracelet strand.
  • the connecting means 17 between the longitudinal members 5 and the loop 7 also comprise elastic means 25 identical to those already described in the variant of the second embodiment.
  • a fourth embodiment is described below, which comprises, like the preceding one, a single folding clasp 7, but without pushers and whose construction is made simpler thanks to a different profile of the male fastening member 50, maintained engaged in the female member 21 in the locked position.
  • the male member 50 is constituted by a boss having two inclined planes 50 allowing, against the action of elastic means to separate the longitudinal members 5, either to lock the clasp, or on the contrary to unlock it.
  • these elastic means are composed of two rods 31a, 31b, each rod passing from the outside a bowl of a spar 5 in which is placed a helical compression spring 28, then a through passage 41a, 41b of a spacer 49 for finally be screwed into the opposite spar.
  • the figure 27 represents a fifth embodiment which is, so to speak, a duplication of the previous embodiment by having two folding loops.
  • the elastic means are then arranged in the middle part of the longitudinal members 5. The operation is the same as above, and will therefore not be described further.

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  • Adornments (AREA)

Abstract

The clasp has an articulation axle (17) between side-rails (5) of a rigid base, and a rigid crosspiece (11) to connect rigid arms (9) of rigid buckles (7). A locking/unlocking mechanism co-operates with male and female hooking elements (20, 21) e.g. projection element and recess. The side-rails are formed by two independent rigid pieces, and slide on the axle while being maintained closer or spaced from each other by elastic units (25) for maintaining the locked hooking units. The hooking units are unlocked by exerting a pressure on the side-rails to compress the elastic units.

Description

Domaine techniqueTechnical area

La présente invention concerne un fermoir déployant pour bracelet, notamment pour un bracelet de montre, pouvant comporter une ou deux boucles déployantes, et comportant un nombre réduit de pièces à assembler, tout en offrant une grande facilité de manipulation, notamment pour déverrouiller le fermoir et permettre à l'usager de retirer la montre de son poignet, et inversement empêcher toute ouverture accidentelle.The present invention relates to a folding clasp for a bracelet, particularly for a watch strap, which may comprise one or two folding clasps, and comprising a small number of parts to be assembled, while offering great ease of handling, in particular to unlock the clasp and allow the user to remove the watch from his wrist, and conversely prevent accidental opening.

Arrière plan technologiqueTechnological background

De nombreuses montres-bracelets sont équipées de fermoirs déployants, plus esthétiques que la classique fermeture de brins de bracelet par boucle et ardillon, mais pas nécessairement plus faciles à utiliser pour pouvoir augmenter le diamètre du bracelet pour permettre de l'enlever du poignet.Many wristwatches are equipped with folding clasps, more aesthetic than the classic buckle and pin buckle closure, but not necessarily easier to use to increase the diameter of the bracelet to remove it from the wrist.

Dans son principe, un fermoir déployant comporte une base en contact avec le poignet, une ou deux boucles articulées dans la base et des moyens de verrouillage/déverrouillage pour permettre de maintenir le fermoir en position fermée ou au contraire de l'ouvrir. Concernant les moyens de verrouillage/déverrouillage, de nombreuses constructions ont déjà été proposées, parmi lesquelles on peut retenir les documents suivants.In principle, an unfolding clasp comprises a base in contact with the wrist, one or two articulated loops in the base and locking / unlocking means to keep the clasp in the closed position or on the contrary to open. Regarding the locking / unlocking means, many constructions have already been proposed, among which we can retain the following documents.

Le document EP 0 115 740 décrit un fermoir comportant deux boucles déployantes articulées dans une base ayant un contour fermé, mais dont les longerons présentent une certaine élasticité pour permettre l'encliquetage des boucles par pression sur la base. Le dispositif ne comporte pas de poussoirs, et pour ouvrir le fermoir, il faut tirer sur les deux brins de bracelet fixés aux extrémités des boucles. Il est évident que des manoeuvres répétées ouverture/fermeture peuvent entraîner une certaine fatigue des longerons ne donnant plus les garanties nécessaires de fermeture, ou pouvant provoquer une ouverture accidentelle.The document EP 0 115 740 discloses a clasp having two folding loops hinged in a base having a closed contour, but whose longitudinal members have a certain elasticity to allow snapping loops by pressure on the base. The device does not have pushers, and to open the clasp, it is necessary to pull the two bracelet strands attached to the ends of the loops. It is obvious that repeated opening / closing maneuvers may cause some fatigue of the longerons no longer giving the necessary guarantees of closure, or may cause accidental opening.

Dans le document EP 0 383 039 les longerons doivent également être flexibles mais le système d'ouverture des boucles est commandé par deux poussoirs évitant une ouverture accidentelle. Ces poussoirs sont disposés en dessous des longerons et des boucles en position fermée, ce qui a pour inconvénients d'augmenter l'épaisseur du fermoir, et de créer une gêne pour le porteur en faisant saillie contre la peau de son poignet.In the document EP 0 383 039 the longitudinal members must also be flexible but the opening system of the loops is controlled by two pushers avoiding an accidental opening. These pushers are arranged below the longitudinal members and loops in the closed position, which has the disadvantage of increasing the thickness of the clasp, and create discomfort for the wearer protruding against the skin of his wrist.

Pour pallier cet inconvénient il a également été proposé d'agencer un dispositif de verrouillage/déverrouillage et un système de poussoirs près des extrémités libres de chaque boucle, l'ensemble étant généralement masqué par une chape. Un fermoir de ce type est par exemple décrit dans le document EP 0 913 106 . La solution proposée est techniquement très satisfaisante, mais on reporte l'augmentation d'épaisseur à l'extérieur et les chapes restent totalement visibles.To overcome this drawback, it has also been proposed to arrange a locking / unlocking device and a system of pushers near the free ends of each loop, the assembly being generally masked by a yoke. A clasp of this type is for example described in the document EP 0 913 106 . The proposed solution is technically very satisfactory, but the increase in thickness is postponed to the outside and the screeds remain completely visible.

Résumé de l'inventionSummary of the invention

La présente invention a donc pour objet un fermoir déployant, ne comportant pas les inconvénients de l'art antérieur précité, notamment grâce à une construction robuste ne comportant que des pièces rigides, en petit nombre et faciles à assembler, sans pour autant entraîner une augmentation d'épaisseur.The present invention therefore relates to an unfolding clasp, not having the disadvantages of the aforementioned prior art, in particular thanks to a robust construction comprising only rigid parts, in small numbers and easy to assemble, without causing an increase thick.

A cet effet, l'invention a pour objet un fermoir déployant pour un bracelet comportant:

  • une base comprenant deux longerons rigides ayant entre eux une liaison mécanique;
  • au moins une boucle déployante formée par deux bras rigides reliés au moins par une traverse rigide, supportant les moyens d'attache d'un brin de bracelet, les extrémités des deux bras de la boucle étant articulées autour de moyens de liaison entre les partie distales des longerons, et
  • un mécanisme de verrouillage/déverrouillage par coopération d'organes d'accrochage mâle et femelle prévus dans les côtés en regard des longerons et des bras de la boucle.
For this purpose, the subject of the invention is a folding clasp for a bracelet comprising:
  • a base comprising two rigid spars having between them a mechanical connection;
  • at least one folding clasp formed by two rigid arms connected at least by a rigid cross member, supporting the attachment means of a bracelet strand, the ends of the two arms of the loop being hinged around connection means between the distal parts spars, and
  • a mechanism for locking / unlocking by cooperation of male and female coupling members provided in the opposite sides of the longitudinal members and arms of the loop.

Le fermoir est caractérisé en ce que les deux longerons sont deux pièces indépendantes rigides, c'est-à-dire conçues pour n'avoir aucune flexibilité dans le sens transversal. Ces deux longerons coulissent sur les moyens de liaison en étant maintenus rapprochés ou écartés l'un de l'autre par des moyens élastiques pour maintenir les organes d'accrochage verrouillés, lesdits moyens d'accrochage pouvant être déverrouillés en exerçant une pression sur les longerons comprimant les moyens élastiques.The clasp is characterized in that the two longitudinal members are two rigid independent parts, that is to say designed to have no flexibility in the transverse direction. These two longitudinal members slide on the connecting means being held close together or spaced apart by elastic means to keep the latching members locked, said latching means being able to be unlocked by exerting pressure on the longitudinal members. compressing the elastic means.

Le dispositif selon l'invention peut donc agir, soit en action, soit en réaction selon le mode de réalisation, et selon le type de mécanisme de verrouillage/déverrouillage adopté. Le fermoir selon l'invention peut en effet être conçu avec une ou deux boucles ayant des bras positionnés à l'extérieur des longerons, ou au contraire à l'intérieur des longerons.The device according to the invention can therefore act, either in action or in reaction according to the embodiment, and according to the type of locking / unlocking mechanism adopted. The clasp according to the invention can in fact be designed with one or two loops having arms positioned outside the longitudinal members, or on the contrary inside the longitudinal members.

De même le mécanisme de verrouillage/déverrouillage peut être de type "double action", c'est-à-dire permettra à la fois le verrouillage et le déverrouillage, ou de type "simple action", c'est-à-dire permettre le verrouillage, mais nécessiter un système de poussoirs pour désengager l'organe d'accrochage male de l'organe femelle.Similarly, the locking / unlocking mechanism may be of the "double action" type, that is to say, it will allow both locking and unlocking, or of the "simple action" type, that is to say allowing locking but require a push button system for disengaging the male hooking member from the female member.

Selon un premier mode de réalisation, comportant deux boucles déployantes, les bras des boucles sont positionnés à l'extérieur des longerons en étant maintenus écartés desdits longerons par les moyens élastiques, le dispositif de poussoirs disposé dans la partie médiane de la base, étant constitué par deux poussoirs venant de matière avec les longerons et permettant d'agir en compression sur un ressort disposé entre lesdits longerons.According to a first embodiment, comprising two folding loops, the arms of the loops are positioned outside the longitudinal members being kept spaced from said longitudinal members by the elastic means, the pushing device disposed in the middle part of the base, consisting of by two pushers coming from material with the longitudinal members and acting in compression on a spring disposed between said longitudinal members.

Selon un deuxième mode de réalisation, comportant deux boucles déployantes, les bras des boucles sont positionnés à l'intérieur des longerons en étant maintenus rapprochés desdits longerons par les moyens élastiques, le dispositif de poussoirs disposé dans la partie médiane de la base étant constitué par deux poussoirs traversant chaque longeron, chaque poussoir permettant d'assujettir une tige venant écarter le longeron opposé lorsque les poussoirs sont pressés pour libérer les organes d'accrochage.According to a second embodiment, comprising two folding loops, the arms of the loops are positioned inside the longitudinal members being held close to said longitudinal members by the elastic means, the pushing device disposed in the middle part of the base being constituted by two pushers passing through each spar, each push for securing a rod coming off the opposite spar when the pushers are pressed to release the shackles.

Selon un troisième mode de réalisation, le fermoir ne comporte qu'une seule boucle, avec un mécanisme de verrouillage/déverrouillage selon l'un des modes de réalisation précédent, et avec un mode d'attache des brins de bracelet adapté à ce mode de réalisation.According to a third embodiment, the clasp has only one loop, with a locking / unlocking mechanism according to one of the preceding embodiments, and with a mode of attachment of the bracelet strands adapted to this mode of production.

Selon encore d'autres modes de réalisation le fermoir, à une ou deux boucles déployantes, peut ne comporter aucun poussoir lorsque l'organe d'accrochage mâle est formé par un bossage ayant deux plans inclinés.According to still other embodiments the clasp, with one or two folding clasps, may have no pusher when the male coupling member is formed by a boss having two inclined planes.

Brève description des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de la présente invention apparaîtront dans la description suivante de divers modes de réalisations, donnés à titre illustratif et non limitatif, en référence aux dessins annexés dans lesquels:

  • les figures 1 et 2 représentent en perspective un premier mode de réalisation avec le fermoir respectivement en position fermée et en position semi-déployée;
  • la figure 2A représente en coupe l'organe d'accrochage mâle;
  • la figure 3 représente le fermoir de la figure 1 en vue de dessus;
  • la figure 4 représente un des longerons de la base en vue de dessus;
  • la figure 5 représente une des boucles en vue de dessus;
  • les figures 6 et 7 représentent des composants pour l'assemblage du fermoir selon le premier mode de réalisation;
  • les figures 8 et 9 représentent en perspective un deuxième mode de réalisation avec le fermoir respectivement en position fermée et en position semi-déployée;
  • la figure 10 représente le fermoir de la figure 8 en vue de dessus;
  • la figure 11 représente un des longerons de la base en vue de dessus;
  • la figure 12 représente une des boucles en vue de dessus;
  • les figures 13A, 13B représentent en vue de dessus un poussoir selon deux modes de réalisation;
  • les figures 14A, 14B représentent une des tiges du mécanisme de verrouillage/déverrouillage selon deux modes de réalisation,
  • la figure 15 représente en vue de dessus une entretoise constituant l'élément d'assemblage des tiges du mécanisme de verrouillage/déverrouillage;
  • la figure 16 est une coupe de l'entretoise selon la ligne XVI-XVI de la figure 15;
  • la figure 17 représente la vis venant dans l'entretoise;
  • la figure 18 représente en vue de dessus une variante du deuxième mode de réalisation;
  • les figures 19 et 20 représentent en perspective un troisième mode de réalisation respectivement en position fermée et en position semi déployée;
  • la figure 21 représente le fermoir de la figure 19 en vue de dessus.
  • la figure 22 représente en vue de dessus l'entretoise du troisième mode de réalisation;
  • la figure 23, représente l'entretoise de la figure 22 en vue de côté;
  • les figures 24 et 25 représentent en perspective un quatrième mode de réalisation, respectivement en position fermée; en position semi déployée;
  • la figure 25A représente en coupe l'organe d'accrochage mâle;
  • la figure 26 représente le fermoir de la figure 24 en vue de dessus, et
  • la figure 27 représente en perspective un cinquième mode de réalisation de fermoir en position semi déployée.
Other characteristics and advantages of the present invention will appear in the following description of various embodiments, given by way of illustration and without limitation, with reference to the appended drawings in which:
  • the Figures 1 and 2 represent in perspective a first embodiment with the clasp respectively in the closed position and in the half-deployed position;
  • the Figure 2A represents in section the male coupling member;
  • the figure 3 represents the clasp of the figure 1 in top view;
  • the figure 4 represents one of the longitudinal members of the base in plan view;
  • the figure 5 represents one of the loops in top view;
  • the Figures 6 and 7 represent components for assembling the clasp according to the first embodiment;
  • the Figures 8 and 9 represent in perspective a second embodiment with the clasp respectively in the closed position and in the half-deployed position;
  • the figure 10 represents the clasp of the figure 8 in top view;
  • the figure 11 represents one of the longitudinal members of the base in plan view;
  • the figure 12 represents one of the loops in top view;
  • the Figures 13A, 13B represent in top view a pusher according to two embodiments;
  • the Figures 14A, 14B represent one of the rods of the locking / unlocking mechanism according to two embodiments,
  • the figure 15 represents in top view a spacer constituting the connecting element of the rods of the locking / unlocking mechanism;
  • the figure 16 is a section of the spacer according to line XVI-XVI of the figure 15 ;
  • the figure 17 represents the screw coming into the spacer;
  • the figure 18 represents in top view a variant of the second embodiment;
  • the Figures 19 and 20 represent in perspective a third embodiment respectively in the closed position and in the half-deployed position;
  • the figure 21 represents the clasp of the figure 19 in top view.
  • the figure 22 represents in plan view the spacer of the third embodiment;
  • the figure 23 , represents the spacer of the figure 22 in side view;
  • the Figures 24 and 25 represent in perspective a fourth embodiment, respectively in the closed position; in semi-deployed position;
  • the figure 25A represents in section the male coupling member;
  • the figure 26 represents the clasp of the figure 24 in top view, and
  • the figure 27 represents in perspective a fifth embodiment of clasp in semi-deployed position.

Pour une meilleure compréhension, tous les dessins n'ont pas été exécutés à la même échelle, mais les éléments identiques ou remplissant la même fonction ont été désignés par les mêmes références dans les figures.For better understanding, not all the drawings have been executed on the same scale, but the elements that are identical or that fulfill the same function have been designated by the same references in the figures.

Description détaillée de l'inventionDetailed description of the invention

Un premier mode de réalisation va maintenant être décrit en se reportant aux figures 1 à 7. Dans les représentations en perspective du fermoir respectivement en position fermée et en position ouverte on voit aux figures 1 et 2 que le fermoir est formée par une base rigide 3 constituée par deux longerons séparés 5 et par deux boucles identiques rigides 7, montées à chaque extrémité des longerons 5 et ayant entre eux des moyens de liaison mécanique 17. Dans ce mode de réalisation les moyens de liaison mécanique sont constitués par un axe d'articulation 17 chassé dans les extrémités 15 des bras 9 des boucles 7 et traversant librement les extrémités de chaque longeron 5.A first embodiment will now be described with reference to the Figures 1 to 7 . In the perspective representations of the clasp respectively in the closed position and in the open position, Figures 1 and 2 that the clasp is formed by a rigid base 3 consisting of two separate longitudinal members 5 and two rigid identical loops 7, mounted at each end of the longitudinal members 5 and having between them mechanical connection means 17. In this embodiment the means of mechanical connection are constituted by a hinge axis 17 driven into the ends 15 of the arms 9 of the loops 7 and freely traversing the ends of each spar 5.

En se référant aussi à la vue de dessus de la figure 5, on voit que les bras 9 des boucles 7 sont reliés par une traverse rigide 11 supportant les moyens d'attache 13 des brins de bracelet (non représentés) venant recouvrir chaque boucle 7 en position fermée (fig. 1) et qu'elles comportent à leurs extrémités des passages traversants 10 pour les axes d'articulation 17. Dans l'exemple représenté les moyens d'attache 13 sont constitués par un petit tube 14 prévu dans la partie médiane de la traverse 11. De façon équivalente ces moyens d'attache peuvent être constitués par deux petits tubes disposés sur les bords des traverses 11, ou par tout moyen connu de l'homme de métier pour fixer des brins de bracelet à un fermoir de montre.Referring also to the view from above of the figure 5 , it can be seen that the arms 9 of the loops 7 are connected by a rigid crosspiece 11 supporting the attachment means 13 of the bracelet strands (not shown) coming to cover each loop 7 in the closed position ( Fig. 1 ) and that they have at their ends through passages 10 for the hinge pins 17. In the example shown the fastening means 13 are constituted by a small tube 14 provided in the middle part of the crossbar 11. From Equivalently these fastening means may be constituted by two small tubes arranged on the edges of the crosspieces 11, or by any means known to those skilled in the art to attach bracelet strands to a watch clasp.

On voit également, en particulier sur la figure 2, que chaque longeron 5 est pourvu d'un poussoir 19 venant de matière avec ledit longeron, perpendiculaire à celui-ci et s'étendant légèrement au delà des bras 9 des boucles 7, de façon à marquer leur emplacement pour que les deux poussoirs 19 puissent être pressés entre deux doigts pour permettre le déverrouillage simultané des deux boucles 7. Ce déverrouillage s'effectue par rapprochement des deux longerons 5, comme indiqué par les petites flèches de la figure 2, selon un mécanisme relativement simple qui sera mieux compris en se référant maintenant aux figures 3 à 7.We also see, especially on the figure 2 , that each spar 5 is provided with a pusher 19 integral with said spar, perpendicular to it and extending slightly beyond the arms 9 of the loops 7, so as to mark their location so that the two pushers 19 can be pressed between two fingers to allow simultaneous unlocking of the two loops 7. This unlocking takes place by bringing the two longitudinal members 5 together, as indicated by the small arrows of the figure 2 according to a relatively simple mechanism that will be better understood by referring now to Figures 3 to 7 .

La figure 3 correspond à la figure 1 en vue de dessus, avec représentation des parties cachées en pointillés. On retrouve les mêmes composants que ceux précédemment décrits, mais les parties cachées, représentées séparément aux figures 6 et 7 vont permettre d'expliquer le mécanisme de verrouillage/déverrouillage. La partie médiane entre les poussoirs est agencée pour permettre la mise en place des moyens élastiques 25 permettant de maintenir écartés les longerons 5 lorsque le fermoir est en position fermée. Dans l'exemple représenté, ces moyens élastiques sont constitués par une barrette tubulaire 35, du type de celles qu'on peut trouver pour la fixation des brins de bracelet entre les cornes d'un boîtier de montre. Comme on le voit sur la coupe agrandie de la figure 6, la barrette tubulaire 35 permet de loger un ressort 36, en compression sur deux pivots 37. Les pivots 37 sont positionnés dans deux trous borgnes 38 ménagés dans une surépaisseur 6 des longerons 5 dans leur partie médiane. Bien évidemment, sans sortir du cadre de la présente invention, d'autres moyens élastiques et d'autres emplacements peuvent être envisagés. A titre d'exemple non limitatif, on peut disposer des petits ressorts hélicoïdaux de compression 26 sur les axes d'articulation 17 entre les deux longerons 5. On peut également combiner la barrette tubulaire 35 et des ressorts de compression 26. La figure 7 représente un tube de guidage 40 traversé par chaque axe d'articulation 17 et présentant dans sa partie médiane un élargissement 42. Ce tube de guidage 40 permet à la fois de masquer l'axe d'articulation 17 dans un but esthétique et de limiter le débattement (?) des longerons 5 en venant en butée dans une cuvette 18a du passage 18 située aux extrémités de chaque longeron 5.The figure 3 corresponds to the figure 1 in top view, with representation of the dotted hidden parts. We find the same components as those previously described, but the hidden parts, represented separately to Figures 6 and 7 will help explain the locking / unlocking mechanism. The middle portion between the pushers is arranged to allow the establishment of the elastic means 25 to keep spaced the side members 5 when the clasp is in the closed position. In the example shown, these elastic means are constituted by a tubular bar 35, of the type that can be found for fixing the bracelet strands between the horns of a watch case. As we see it on the enlarged section of the figure 6 , the tubular bar 35 can accommodate a spring 36, in compression on two pivots 37. The pivots 37 are positioned in two blind holes 38 formed in an excess thickness 6 of the longitudinal members 5 in their middle part. Of course, without departing from the scope of the present invention, other elastic means and other locations can be envisaged. By way of non-limiting example, it is possible to have small compression coil springs 26 on the hinge pins 17 between the two longitudinal members 5. It is also possible to combine the tubular bar 35 and the compression springs 26. The figure 7 represents a guide tube 40 traversed by each hinge pin 17 and having in its middle part an enlargement 42. This guide tube 40 allows both to hide the hinge pin 17 for aesthetic purposes and to limit the deflection (?) of the longitudinal members 5 while abutting in a bowl 18a of the passage 18 located at the ends of each spar 5.

Les figures 3 et 4 montrent également comment sont réalisés les moyens d'accrochage dans ce premier mode de réalisation. Chaque longeron 5 comporte de part et d'autre du poussoir 19 un élément en saillie 20 comportant un plan incliné 20a coté boucle 7 et un plat 20b coté base 3, comme on peut mieux le voir sur la coupe de la figure 2A. Chaque bras 9 de chaque boucle 7 comporte un évidemment 21 dont la forme est complémentaire de celle l'élément en saillie 20. Le verrouillage des boucles s'effectue en les pressant contre la base 3, et le déverrouillage en agissant sur les poussoirs 19 pour rapprocher les longerons 5 et dégager les organes mâles 20 des organes femelles 21. Aucun déverrouillage accidentel n'est possible. Ce mode de réalisation est remarquable en ce qu'il comporte un très petit nombre de pièces pouvant être assemblées sans aucun vissage.The Figures 3 and 4 also show how are made the attachment means in this first embodiment. Each spar 5 comprises on either side of the pusher 19 a projecting element 20 having an inclined plane 20a on the loop 7 side and a flat 20b on the base 3 side, as can be seen better on the section of the Figure 2A . Each arm 9 of each loop 7 comprises a recess 21 whose shape is complementary to that of the projecting element 20. The locking of the loops is effected by pressing them against the base 3, and unlocking by acting on the pushers 19 to bring the longitudinal members 5 closer and disengage the male members 20 from the female members 21. No accidental unlocking is possible. This embodiment is remarkable in that it comprises a very small number of parts that can be assembled without any screwing.

On décrit maintenant ci-après un deuxième mode de réalisation en se référant aux figures 8 à 17, dans lesquelles les composants ayant les mêmes fonctions sont désignés par les mêmes références.A second embodiment will now be described below with reference to the Figures 8 to 17 , in which the components having the same functions are designated by the same references.

Ce deuxième mode de réalisation repose sur le même principe que le précédent, mais en diffère en ce que les boucles 7 sont positionnées à l'intérieur des longerons 5 de la base 3. Cela a comme conséquence d'inverser en quelque sorte le mécanisme de verrouillage/déverrouillage, comme cela est expliqué ci-après.This second embodiment is based on the same principle as the previous one, but differs in that the loops 7 are positioned inside the longitudinal members 5 of the base 3. This has the effect of reversing in a way the mechanism of locking / unlocking, as explained below.

En se référent aux figures 8, 9 et 12, on voit que la boucle 7 a un contour entièrement fermé constitué par deux bras 9 reliés par une traverse 11 supportant les moyens d'attache 13 des brins de bracelet et par une deuxième traverse 12 réunissant de façon rigide les extrémités des bras 9. Comme on le voit sur la figure 12 la deuxième traverse 12 comporte un passage traversant 10 pour les moyens d'articulation 17 de chaque boucle 7 avec les deux longerons 5 situés à l'extérieur. La partie médiane de chaque longeron 5 est pourvu d'un poussoir traversant 29, et d'une entretoise 39 disposée au même niveau pour contenir et masquer le mécanisme de verrouillage/déverrouillage qui sera expliqué plus loin.Referring to Figures 8, 9 and 12 , it can be seen that the loop 7 has a completely closed contour constituted by two arms 9 connected by a crosspiece 11 supporting the attachment means 13 of the bracelet strands and by a second crosspiece 12 rigidly joining the ends of the arms 9. we see it on the figure 12 the second crosspiece 12 has a through passage 10 for the hinge means 17 of each loop 7 with the two longitudinal members 5 located outside. The middle part of each spar 5 is provided with a through pusher 29, and a spacer 39 arranged at the same level to contain and hide the locking / unlocking mechanism which will be explained later.

Pour passer de la position verrouillée (fig. 8) à la position déverrouillée (fig. 9) l'usager appuie sur les deux poussoirs 29, comme indiqué par les flèches, ce qui provoque l'écartement des longerons 5 indiqué par les petites flèches en permettant de libérer les organes d'accrochage mâle et femelle 20, 21.To move from the locked position ( Fig. 8 ) to the unlocked position ( Fig. 9 ) the user presses the two pushers 29, as indicated by the arrows, which causes the spacing of the longitudinal members 5 indicated by the small arrows by releasing the male and female coupling members 20, 21.

La figure 10 correspond à la figure 8 en vue de dessus avec représentation en pointillés des parties cachées concernant notamment le mécanisme de verrouillage/déverrouillage. On ne reprendra pas la description des parties visibles déjà décrites.The figure 10 corresponds to the figure 8 in top view with dashed representation of the hidden parts including the locking / unlocking mechanism. We will not repeat the description of the visible parts already described.

En se référant également à la figure 11, on voit que la partie médiane du fermoir comporte sur chaque côté extérieur des longerons 5, un poussoir 29, représenté isolement à la figure 13A, pouvant être manoeuvré dans un évidement correspondant 22 de chaque longeron 5. Une tige 31, représentée isolement à la figure 14A et un ressort 28 sont associés à chaque poussoir 29 pour former deux ensembles dont le débattement et la liaison mécanique sont assurés par une entretoise 39 représentée isolement aux figures 15 et 16. Les références des deux tiges 31, disposées tête-bêche, et les parties qui les composent seront par la suite complétées par les indices "a" et "b", si nécessaire.Referring also to the figure 11 it can be seen that the middle portion of the clasp has on each outer side longitudinal members 5, a pusher 29, shown isolated at figure 13A , which can be maneuvered in a corresponding recess 22 of each spar 5. A rod 31, shown isolated at figure 14A and a spring 28 are associated with each pusher 29 to form two sets whose travel and mechanical connection are provided by a spacer 39 shown isolated at Figures 15 and 16 . The references of the two rods 31, arranged upside down, and the parts that compose them will thereafter be supplemented by the indices "a" and "b", if necessary.

En se référant plus particulièrement aux figures 13A et 14A, on voit que la tige 31 comporte une tête 32 venant s'engager dans un évidemment 30a de forme correspondante ménagé dans l'extrémité du poussoir 29 orientée vers l'intérieur. La tige 31 comporte également sur une partie de sa longueur un étranglement 33 et à son extrémité un rétrécissement 53 de diamètre formant un épaulement 54.With particular reference to Figures 13A and 14A it can be seen that the rod 31 comprises a head 32 which engages in a recess 30a of corresponding shape formed in the end of the pusher 29 facing inwards. The rod 31 also has a portion of its length over a portion of its length 33 and at its end a narrowing 53 of diameter forming a shoulder 54.

La figure 13A montre que le poussoir comporte également un puits ou une fente 30b destinée à loger une extrémité du ressort 28, l'autre extrémité prenant appui dans un logement circulaire 23 ménagé au fond de l'évidement 22 et de plus grand diamètre que le passage traversant 41 prévu pour positionner l'extrémité d'une tige 31.The figure 13A shows that the pusher also comprises a well or a slot 30b for housing one end of the spring 28, the other end bearing in a circular recess 23 formed at the bottom of the recess 22 and of larger diameter than the through passage 41 provided for positioning the end of a rod 31.

En se référant également aux figures 15, 16 et 17, on explique ci-après comment les différents composants du dispositif de poussoirs sont assemblés au moyen de l'entretoise 39 et quel en est le fonctionnement.Referring also to Figures 15, 16 and 17 the following explains how the different components of the pusher device are assembled by means of the spacer 39 and what is its operation.

L'entretoise 39 est constituée par une plaque rectangulaire dont un côté a la même largeur que les boucles 7 et dont les autres côtés sont percés de passages traversants 41a, 41b pour permettre le libre passage des tiges 31a, 31b. Un trou borgne fileté 47 est percé au centre de l'entretoise dans sa face inférieure, avec un diamètre prévu pour former des lumières 45 dans les passages traversant 41a, 41b.The spacer 39 is constituted by a rectangular plate whose one side has the same width as the loops 7 and whose other sides are pierced with through passages 41a, 41b to allow the free passage of the rods 31a, 31b. A hole threaded blind 47 is drilled in the center of the spacer in its lower face, with a diameter provided to form the slots 45 in the through passages 41a, 41b.

Pour assembler le dispositif de poussoirs, il suffit d'effectuer les opérations suivantes

  • sur chaque tige 31a, 31b enfiler un ressort 28;
  • engager la tête 32 de chaque tige 31a, 31b dans les dégagements 30a de chaque poussoir 29;
  • positionner les tiges 31a, 31b dans des passages traversants 24a, 24b de chaque longeron 5, puis dans les passages traversants 41a, 41b de l'entretoise 39;
  • presser les deux poussoirs 29 jusqu'à amener les étranglements 33a, 33b des tiges 31a, 31b en regard du trou fileté 47, et
  • visser la vis 48 qui va venir s'engager à travers les lumières 45 entre les étranglement 33a, 33b de chaque tige 31a, 31b de façon à assurer une liaison entre les poussoirs 29 et à limiter leur débattement.
To assemble the push device, simply perform the following operations
  • on each rod 31a, 31b threading a spring 28;
  • engage the head 32 of each rod 31a, 31b in the clearances 30a of each pusher 29;
  • positioning the rods 31a, 31b in through passages 24a, 24b of each spar 5, then in the through passages 41a, 41b of the spacer 39;
  • pressing the two pushers 29 to bring the constrictions 33a, 33b of the rods 31a, 31b opposite the threaded hole 47, and
  • screw the screw 48 which will come engage through the slots 45 between the throats 33a, 33b of each rod 31a, 31b so as to ensure a connection between the pushers 29 and limit their movement.

Pour finir d'assembler le fermoir, il suffit de mettre les boucles 7 en place entre les longerons 5 et de les assembler aux extrémités desdits longerons 5 par les moyens de liaison 17. Dans le mode de réalisation représenté, comme on peut le voir aux figures 10 et 11, chaque moyen de liaison 17 est constitué par deux vis 17a à tête cylindrique fendue, chaque vis 17a traversant librement depuis l'extérieur un passage traversant 18 d'une extrémité d'un longeron 5 pour se visser à une extrémité d'un manchon intermédiaire 17b traversant lui-même librement le passage traversant 10 de la traverse rigide 12 d'une boucle 7. La cuvette 18b destinée à loger la tête de la vis 17a a une profondeur supérieure à la hauteur de la tête de façon à permettre un débattement suffisant des longerons 5 pour les éloigner l'un de l'autre lorsqu'on presse les poussoirs 29 pour déverrouiller le fermoir en dégageant l'un de l'autre les organes d'accrochage 20 et 21. En effet lorsqu'on presse les poussoirs 29, on comprime les ressorts 28 et les épaulement 54a, 54b des tiges 31a, 31b viennent exercer une pression sur les bords des passages traversant 16a, 16b des longerons 5 en les écartant l'un de l'autre.To finish assembling the clasp, simply put the loops 7 in place between the longitudinal members 5 and assemble at the ends of said longitudinal members 5 by the connecting means 17. In the embodiment shown, as can be seen at Figures 10 and 11 each connecting means 17 is constituted by two screws 17a with a slotted cylindrical head, each screw 17a passing freely through a through passage 18 from one end of a spar 5 to be screwed to one end of an intermediate sleeve 17b itself freely passing through the passage 10 of the rigid cross member 12 of a loop 7. The bowl 18b for housing the head of the screw 17a has a depth greater than the height of the head so as to allow sufficient clearance 5 longitudinal members to move away from each other when pressing the pushers 29 to unlock the clasp by releasing from one another the latching members 20 and 21. Indeed when pressing the pushers 29, the springs 28 are compressed and the shoulder 54a, 54b of the rods 31a, 31b come to exert pressure on the edges of the through passages 16a, 16b of the longitudinal members 5 by separating them from one another.

En se référant maintenant à la figure 18 on a représenté une variante qui diffère du deuxième mode de réalisation, tel que représenté à la figure 10, par l'emplacement des moyens élastiques 25 et par le mode d'assujettissement des tiges 31a, 31b.Referring now to the figure 18 there is shown a variant which differs from the second embodiment, as shown in FIG. figure 10 by the location of the elastic means 25 and by the securing mode of the rods 31a, 31b.

Les moyens élastique 25 sont reportés au niveau des moyens de liaison 17, en étant constitués par un ressort 28 interposé entre la tête de la vis 17a et le fond de la cuvette 18b du passage traversant 18. On observera également que les vis 17a sont directement vissées dans la traverse rigide 12 de chaque boucle 7.The elastic means 25 are carried at the level of the connecting means 17, being constituted by a spring 28 interposed between the head of the screw 17a and the bottom of the bowl 18b of the through passage 18. It will also be observed that the screws 17a are directly screwed into the rigid cross member 12 of each loop 7.

En se référant maintenant également aux figures 13B et 14B on voit que les tiges 31a, 31b sont modifiées en ce que la tête 32 est remplacée par un filetage 34, l'autre extrémité 53 comportant une fente 53a permettant de visser directement les tiges 31a, 31b dans des trous filetés 30c des poussoirs 29.Referring now also to Figures 13B and 14B we see that the rods 31a, 31b are modified in that the head 32 is replaced by a thread 34, the other end 53 having a slot 53a for directly screwing the rods 31a, 31b in threaded holes 30c of the pushers 29.

En se référant maintenant aux figures 19 à 23 on décrit ci-après un troisième mode de réalisation qui diffère des deux modes de réalisation précédents en ce que le fermoir comporte une seule boucle déployante, ledit mode de réalisation étant illustré par un système de poussoirs fonctionnant sur le même principe que celui du deuxième mode de réalisation.Referring now to Figures 19 to 23 a third embodiment is described below which differs from the two previous embodiments in that the clasp comprises a single folding clasp, said embodiment being illustrated by a system of pushers operating on the same principle as that of the second mode. of realization.

Pour passer de la position verrouillée (fig. 19) à la position déverrouillée (fig. 20), l'usager appuie, comme indiqué par les flèches, sur deux poussoirs 29 positionnés prés d'une extrémité de la base rigide 3, ce qui provoque l'écartement des longerons 5 indiqué par les petites flèches en permettant de libérer les organes d'accrochage 20, 21.To move from the locked position ( Fig. 19 ) to the unlocked position ( Fig. 20 ), the user presses, as indicated by the arrows, two pushers 29 positioned near one end of the rigid base 3, which causes the spacing of the longitudinal members 5 indicated by the small arrows to release the organs d hooking 20, 21.

La figure 21 correspond à la figure 19 en vue de dessus avec représentation en pointillés des parties cachées concernant notamment le mécanisme de verrouillage/déverrouillage. Une entretoise 49, représentée séparément aux figures 22 et 23 permet de loger un mécanisme de verrouillage/déverrouillage, actionné par les poussoirs 29, en tout point identique à celui déjà décrit pour la variante du deuxième mode de réalisation, et ne sera donc pas décrit plus avant. L'entretoise 49 comporte également une partie 49a s'étendant jusqu'à l'extrémité des longerons 5. La partie 49a est percée d'un passage traversant 44 pour permettre le passage d'un moyen de liaison 17 entre les deux longerons 5, identique à celui déjà décrit pour le premier mode de réalisation. La partie 49a est elle-même prolongée par une extension 51 constituant le moyen d'attache 13 d'un brin de bracelet. On observera également que les moyens de liaison 17 entre les longerons 5 et la boucle 7 comportent également des moyens élastiques 25 en tout point identiques à ceux déjà décrits dans la variante du deuxième mode de réalisation.The figure 21 corresponds to the figure 19 in top view with dashed representation of the hidden parts including the locking / unlocking mechanism. A spacer 49, shown separately at Figures 22 and 23 allows to house a locking / unlocking mechanism, actuated by the pushers 29, in all respects identical to that already described for the variant of the second embodiment, and will therefore not be described further. The spacer 49 also includes a portion 49a extending to the end of the longitudinal members 5. The portion 49a is pierced with a through passage 44 to allow the passage of a connecting means 17 between the two longitudinal members 5, identical to that already described for the first embodiment. The portion 49a is itself extended by an extension 51 constituting the attachment means 13 of a bracelet strand. It will also be observed that the connecting means 17 between the longitudinal members 5 and the loop 7 also comprise elastic means 25 identical to those already described in the variant of the second embodiment.

Le fonctionnement de ce troisième mode de réalisation est le même que celui du deuxième mode de réalisation, et ne sera donc pas décrit plus avant.The operation of this third embodiment is the same as that of the second embodiment, and will therefore not be described further.

En se référant maintenant aux figures 24 à 26, on décrit ci-après un quatrième mode de réalisation, qui comporte comme le précédent une seule boucle déployante 7, mais sans poussoirs et dont la construction est rendue plus simple grâce à un profil différent de l'organe mâle d'accrochage 50, maintenu engagé dans l'organe femelle 21 en position verrouillée.Referring now to Figures 24 to 26 a fourth embodiment is described below, which comprises, like the preceding one, a single folding clasp 7, but without pushers and whose construction is made simpler thanks to a different profile of the male fastening member 50, maintained engaged in the female member 21 in the locked position.

Comme on le voit sur la coupe de la figure 25A, l'organe mâle 50 est constitué par un bossage comportant deux plans inclinés 50 permettant, contre l'action des moyens élastiques d'écarter les longerons 5, soit pour verrouiller le fermoir, soit au contraire pour le déverrouiller.As seen on the cut of the figure 25A , the male member 50 is constituted by a boss having two inclined planes 50 allowing, against the action of elastic means to separate the longitudinal members 5, either to lock the clasp, or on the contrary to unlock it.

L'absence de poussoirs conduit également à une simplification des moyens élastiques. Comme on peut le voir sur la figure 26 ces moyens élastiques sont composés de deux tiges 31a, 31b, chaque tige traversant depuis l'extérieur une cuvette d'un longeron 5 dans laquelle est placé un ressort hélicoïdal de compression 28, puis un passage traversant 41a, 41b d'une entretoise 49 pour être finalement vissée dans le longeron opposé.The absence of pushers also leads to a simplification of the elastic means. As can be seen on the figure 26 these elastic means are composed of two rods 31a, 31b, each rod passing from the outside a bowl of a spar 5 in which is placed a helical compression spring 28, then a through passage 41a, 41b of a spacer 49 for finally be screwed into the opposite spar.

La figure 27 représente un cinquième mode de réalisation qui constitue, en quelque sorte, une duplication du mode de réalisation précédent en comportant deux boucles déployantes. Les moyens élastiques sont alors disposés dans la partie médiane des longerons 5. Le fonctionnement est le même que précédemment, et ne sera donc pas décrit plus avant.The figure 27 represents a fifth embodiment which is, so to speak, a duplication of the previous embodiment by having two folding loops. The elastic means are then arranged in the middle part of the longitudinal members 5. The operation is the same as above, and will therefore not be described further.

Dans les différents modes de réalisation qui viennent d'être décrits, il est remarquable de constater qu'en position fermée le fermoir en tant que tel est entièrement masqué par les brins de bracelet, à l'exception des moyens d'attache 13 et éventuellement des poussoirs. Cela confère à une montre-bracelet équipée d'un tel fermoir une esthétique particulière que ne peuvent pas procurer les fermoirs de l'art antérieur.In the various embodiments which have just been described, it is remarkable to note that in the closed position the clasp as such is entirely hidden by the bracelet strands, with the exception of the attachment means 13 and possibly pushers. This gives a wristwatch equipped with such a clasp a particular aesthetic that can not provide the clasps of the prior art.

La description précédente donne à titre d'exemple deux systèmes de poussoirs disposés au niveau de la base qui agissent soit en action soit en réaction pour rapprocher ou éloigner les longerons 5 permettant de verrouiller ou déverrouiller les moyens d'accrochage entre la base 3 et les boucles 7. Il est bien évident que l'homme du métier peut, sans sortir du cadre de la présente invention, concevoir d'autres systèmes de poussoirs remplissant les mêmes fonctions.The preceding description gives by way of example two systems of pushers arranged at the base which act either in action or in reaction to bring the spacers 5 closer together or away from one another so as to lock or unlock the fastening means between the base 3 and the loops 7. It is obvious that one skilled in the art can, without departing from the scope of the present invention, design other systems of pushers performing the same functions.

Claims (22)

Fermoir déployant pour bracelet comportant: - une base (3) comprenant deux longerons (5) ayant entre eux des moyens de liaison mécaniques (17); - au moins une boucle déployante (7) formée par deux bras rigides (9) reliés par au moins une traverse rigide (11) supportant les moyens d'attache (13) d'un brin de bracelet (4), les extrémités (15) des deux bras (9) de la boucle (7) étant articulées autour des moyens de liaison (17) entre les parties distales des longerons (5); et - un mécanisme de verrouillage/déverrouillage par coopération d'organes d'accrochage mâle et femelle (20, 21, 50) prévus dans les côtés en regard des longerons (5) et des bras (9) de la boucle (7), le fermoir étant caractérisé en ce que les deux longerons (5) sont formés par deux pièces indépendantes rigides coulissant sur les moyens de liaison (17) en étant maintenues rapprochées ou écartées l'une de l'autre par des moyens élastiques (25) pour maintenir les organes d'accrochage (20, 21, 50) verrouillés, lesdits moyens d'accrochage pouvant être déverrouillés en exerçant une pression sur les longerons (5) comprimant les moyens élastiques (25). Clasp folding for bracelet comprising: - a base (3) comprising two longitudinal members (5) having between them mechanical connection means (17); at least one folding clasp (7) formed by two rigid arms (9) connected by at least one rigid cross-member (11) supporting the fastening means (13) of a bracelet strand (4), the ends (15) ) the two arms (9) of the loop (7) being articulated around the connecting means (17) between the distal portions of the longitudinal members (5); and - A locking / unlocking mechanism by cooperation of male and female coupling members (20, 21, 50) provided in the opposite sides of the longitudinal members (5) and the arms (9) of the loop (7), the clasp being characterized in that the two spars (5) are formed by two rigid independent parts sliding on the connecting means (17) being held together or spaced from each other by elastic means (25) to maintain the latching members (20, 21, 50) locked, said latching means being releasable by exerting pressure on the longitudinal members (5) compressing the elastic means (25). Fermoir selon la revendication 1, caractérisé en ce que les bras (9) de la boucle (7) sont positionnés à l'extérieur des longerons (5).Clasp according to claim 1, characterized in that the arms (9) of the loop (7) are positioned outside the longitudinal members (5). Fermoir selon la revendication 1, caractérisé en ce que les bras (9) de la boucle (7) sont positionnés à l'intérieur des longerons (5).Clasp according to claim 1, characterized in that the arms (9) of the loop (7) are positioned inside the longitudinal members (5). Fermoir selon la revendication 1, caractérisé en ce que l'organe mâle du mécanisme de verrouillage/déverrouillage est constitué, par un élément en saillie (20) comportant un plan incliné (20a) coté boucle (7) et un plat (20b) côté base (3) ledit élément (20) venant s'engager dans un évidement (21) en regard par pression sur la boucle (7), et pouvant en être écarté en position déverrouillée, en exerçant une pression sur un dispositif de poussoirs (19, 29) contre l'action de moyens élastiques (25).Clasp according to claim 1, characterized in that the male member of the locking / unlocking mechanism is constituted by a projecting element (20) having an inclined plane (20a) on the loop side (7) and a flat (20b) side base (3) said element (20) engaging in a recess (21) facing the pressure loop (7), and can be removed in the unlocked position, exerting pressure on a device of pushers (19). 29) against the action of resilient means (25). Fermoir selon la revendication 1, caractérisé en ce que l'organe mâle du mécanisme de verrouillage/déverrouillage est constitué par un bossage (50), comportant deux plans inclinés (50a, 50b) et venant s'engager dans un évidement (21) en regard par pression sur la boucle (7), et pouvant en être écarté en position déverrouillée en exerçant une traction sur le brin de bracelet (4) lié à l'extrémité de ladite boucle (7).Clasp according to claim 1, characterized in that the male member of the locking / unlocking mechanism is constituted by a boss (50), comprising two inclined planes (50a, 50b) and engaging in a recess (21) in look by pressing the loop (7), and can be removed in the unlocked position by exerting traction on the bracelet strand (4) connected to the end of said loop (7). Fermoir selon les revendications 2 à 4, caractérisé en ce qu'il comporte deux boucles (7) dont les bras (9) sont articulés aux extrémités des longerons (5), lesdits longerons (5) étant maintenus écartés l'un de l'autre par les moyens élastiques (25) disposés entre eux et permettant d'engager l'un dans l'autre les organes mâle et femelle (20, 21) du mécanisme de verrouillage, et en ce que le dispositif de poussoirs, disposé dans la partie médiane de la base (3), est constitué par deux poussoirs (19) formé chacun par une extension perpendiculaire à un longeron (5), et venant de matière avec celui-ci.Clasp according to claims 2 to 4, characterized in that it comprises two loops (7) whose arms (9) are articulated to the ends of the longitudinal members (5), said longitudinal members (5) being kept apart one of the other by the means elastic members (25) arranged between them and for engaging the male and female members (20, 21) of the locking mechanism in one another, and in that the push device disposed in the middle portion of the base (3), is constituted by two pushers (19) each formed by an extension perpendicular to a spar (5), and coming from material therewith. Fermoir selon la revendication 6, caractérisé en ce que les moyens élastiques (25) sont constitués par une barrette tubulaire (35) logeant un ressort (36) agissant sur deux pivots (37) engagés dans des trous borgnes (38) des deux longerons (5) au droit du système de poussoirs.Clasp according to claim 6, characterized in that the elastic means (25) consist of a tubular bar (35) housing a spring (36) acting on two pivots (37) engaged in blind holes (38) of the two longitudinal members ( 5) at the right of the push button system. Fermoir selon la revendication 6, caractérisé en ce que les moyens élastiques (25) sont constitués par des paires de ressorts (26) disposés entre les longerons (5) sur les axes d'articulation (17).Clasp according to claim 6, characterized in that the elastic means (25) consist of pairs of springs (26) disposed between the longitudinal members (5) on the hinge pins (17). Fermoir selon les revendications 3 et 4, caractérisé en ce qu'il comporte deux boucles (7) dont les bras (9) sont articulés aux extrémité des longerons (5), lesdits longerons (5) étant maintenus rapprochés (5) l'un de l'autre par les moyens élastiques (25), engageant l'un dans l'autre les organes mâle et femelle (20, 21) du mécanisme de verrouillage et en ce que le dispositif de poussoirs est disposé dans la partie médiane de la base (3) en étant constitué par deux poussoirs (29) traversant chaque longeron (5), chaque poussoir (29) permettant d'assujettir une tige (31a, 31b) venant écarter le longeron opposé (5) lorsque les poussoirs (29) sont pressés pour libérer les organes d'accrochage (20, 21).Clasp according to claims 3 and 4, characterized in that it comprises two loops (7) whose arms (9) are articulated to the ends of the longitudinal members (5), said longitudinal members (5) being held close together (5) one on the other side by the elastic means (25), engaging the male and female members (20, 21) of the locking mechanism in one another and in that the pushing device is arranged in the middle part of the base (3) consisting of two pushers (29) passing through each spar (5), each pusher (29) for securing a rod (31a, 31b) away from the opposite spar (5) when the pushers (29) are pressed to release the fastening members (20, 21). Fermoir selon la revendication 9, caractérisé en ce que chaque boucle (7) est entièrement fermée par une deuxième traverse rigide (12) comportant un passage traversant (12a) pour l'axe d'articulation (17).Clasp according to claim 9, characterized in that each loop (7) is completely closed by a second rigid cross member (12) having a through passage (12a) for the hinge axis (17). Fermoir selon la revendication 9, caractérisé en ce que les moyens élastiques (25) sont constitués par des ressorts (28) disposés au niveau de chaque tige (31a, 31b), en étant logés dans des évidements (30a) des poussoirs (29).Clasp according to claim 9, characterized in that the elastic means (25) consist of springs (28) arranged at each rod (31a, 31b), being housed in recesses (30a) of the pushers (29) . Fermoir selon la revendication 9, caractérisé en ce que les moyens élastiques (25) sont formés par des ressorts (28) disposés au niveau de chaque axe d'articulation (17) en étant logés depuis l'extérieur dans un puits (30) des parties distales des longerons (5).Clasp according to claim 9, characterized in that the elastic means (25) are formed by springs (28) arranged at each axis of articulation (17) being housed from the outside in a well (30) of distal portions of the spars (5). Fermoir selon la revendication 12, caractérisé en ce que des vis (32) de maintien des ressorts (28) sont vissés dans une traverse rigide (34) supplémentaire fermant les boucles (7).Clasp according to claim 12, characterized in that screws (32) for holding the springs (28) are screwed into an additional rigid cross member (34) closing the loops (7). Fermoir selon la revendication 12, caractérisé en ce que des vis (32) de maintien des ressorts (28) traversent les extrémités des bras (9) des boucles (7) et sont vissées l'une dans l'autre.Clasp according to claim 12, characterized in that screws (32) for holding the springs (28) pass through the ends of the arms (9) of the loops (7) and are screwed into one another. Fermoir selon la revendication 9, caractérisé en ce qu'il comporte en outre au droit des poussoirs (29) une entretoise (39) comportant deux passages traversants (41) pour le libre passage des tiges (31a, 31b), et perpendiculairement à son plan un trou fileté (43), formant des lumières (45) dans les passages traversants (41a, 41b), dans lequel est vissée une vis (47) en regard d'un étranglement (33) local de chaque tige (31a, 31b) pour en contrôler le débattement, et établir une liaison mécanique entre un poussoir (29) et le longeron opposé (5).Clasp according to claim 9, characterized in that it further comprises in the right pushers (29) a spacer (39) having two through passages (41) for the free passage of the rods (31a, 31b), and perpendicular to its plane a threaded hole (43) forming holes (45) in the through passages (41a, 41b), in which is screwed a screw (47) facing a throat (33) local each rod (31a, 31b) ) to control the movement, and establish a mechanical connection between a pusher (29) and the opposite beam (5). Fermoir selon les revendications 3 et 4, caractérisé en ce qu'il comporte une seule boucle (7) dont les bras sont articulés à une extrémité des longerons (5), lesdits longerons (5) étant maintenus rapprochés l'un de l'autre par les moyens élastiques (25), engageant l'un dans l'autre les organes mâle et femelle (20, 21) du mécanisme de verrouillage et en ce que le dispositif de poussoirs est disposé à une extrémité de la base (3) en étant constitué par deux poussoirs (29) traversant chaque longerons (5), chaque poussoir (29) permettant d'assujettir une tige (31a, 31b) venant écarter le longeron opposé (5) lorsque les poussoirs (29) sont pressés pour libérer les organes d'accrochage (20, 21).Clasp according to claims 3 and 4, characterized in that it comprises a single loop (7) whose arms are hinged at one end of the longitudinal members (5), said longitudinal members (5) being held close to one another by the resilient means (25) engaging the male and female members (20, 21) of the locking mechanism in one another and in that the pusher device is disposed at one end of the base (3) consisting of two pushers (29) passing through each longitudinal member (5), each push rod (29) for securing a rod (31a, 31b) to move away the opposite beam (5) when the pushers (29) are pressed to release the fastening members (20, 21). Fermoir selon la revendication 16, caractérisé en ce que les moyens élastiques (25) sont constitués par des ressorts disposés à la fois au niveau de l'axe d'articulation (17) entre la boucle (7) et les longerons (5) et au niveau des tiges (31a, 31b) de poussoir.Clasp according to claim 16, characterized in that the elastic means (25) consist of springs arranged at the same time at the axis of articulation (17) between the loop (7) and the longitudinal members (5) and at the rods (31a, 31b) of the pusher. Fermoir selon la revendication 16, caractérisé en ce qu'il comporte en outre au droit des poussoirs (29) une entretoise (49) comportant deux passages traversants (41) pour le libre passage des deux tiges (31a, 31b) et perpendiculairement à son plan un trou fileté (43), formant des lumières dans les passages traversants (41), dans lequel est vissée une vis (47) en regard d'un étranglement de chaque ligne (31a, 31b) pour en contrôler le débattement et établir la liaison mécanique entre un poussoir (29) et le longeron opposé (5).Clasp according to claim 16, characterized in that it further comprises in the right pushers (29) a spacer (49) having two through passages (41) for the free passage of the two rods (31a, 31b) and perpendicular to its plane a threaded hole (43) forming holes in the through passages (41), in which is screwed a screw (47) facing a constriction of each line (31a, 31b) to control the movement and establish the mechanical connection between a pusher (29) and the opposite spar (5). Fermoir selon la revendication 18, caractérisé en ce que l'entretoise (49) comporte en outre, d'une part un passage traversant (44) pour un moyen de liaison (27) entre les extrémités des deux longerons (5), d'autre part une extension (23) constituant un moyen d'attache d'un brin de bracelet à la base (3).Clasp according to claim 18, characterized in that the spacer (49) further comprises, on the one hand a through passage (44) for a connecting means (27) between the ends of the two longitudinal members (5), d ' on the other hand, an extension (23) constituting a means for attaching a bracelet strand to the base (3). Fermoir selon la revendications 3 et 5, caractérisé en ce qu'il comporte une seule boucle (7) dont les bras sont articulés à une extrémité des longerons (5), lesdits longerons (5) étant maintenus rapprochés l'un de l'autre par des moyens élastiques disposés à l'autre extrémité des longerons engageant l'un dans l'autre les organes mâle et femelle (50, 21) du mécanisme de verrouillage.Clasp according to claims 3 and 5, characterized in that it comprises a single loop (7) whose arms are articulated at one end of the longitudinal members (5), said side members (5) being held close to one another by elastic means disposed at the other end of the longitudinal members engaging one into the other the male and female members (50, 21) of the locking mechanism. Fermoir selon la revendication 20, caractérisé en ce que les moyens élastiques consistant en deux tiges () traversant chacune un longeron (5) et une entretoise () en étant vissées dans le longeron opposé, la tête desdites tiges comprimant un ressort () logé depuis l'extérieur dans un puits () de chaque longeron (5).Clasp according to claim 20, characterized in that the elastic means consisting of two rods () each passing through a spar (5) and a spacer () being screwed into the opposite spar, the head of said rods compressing a spring () housed from the outside in a well () of each spar (5). Fermoir selon les revendication 3 et 4, caractérisé en ce qu'il comporte deux boucles (7) dont les bras (9) sont articulés à chaque extrémité des longerons (5), lesdits longerons (5) étant maintenus rapprochés l'un de l'autre par des moyens élastiques situés dans leur partie médiane, au moyen de tiges () et de ressorts traversant une entretoise.Clasp according to claim 3 and 4, characterized in that it comprises two loops (7) whose arms (9) are articulated at each end of the longitudinal members (5), said longitudinal members (5) being kept close to one another. other by elastic means located in their middle part, by means of rods () and springs passing through a spacer.
EP06124829A 2006-11-27 2006-11-27 Unfolding clasp for bracelets Active EP1925227B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT06124829T ATE421264T1 (en) 2006-11-27 2006-11-27 FOLDING CLASP FOR BRACELETS
DE602006005007T DE602006005007D1 (en) 2006-11-27 2006-11-27 Folding clasp for bracelets
EP06124829A EP1925227B1 (en) 2006-11-27 2006-11-27 Unfolding clasp for bracelets
ES06124829T ES2321440T3 (en) 2006-11-27 2006-11-27 BROOCH THAT DISPLAYS FOR BRACELET.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06124829A EP1925227B1 (en) 2006-11-27 2006-11-27 Unfolding clasp for bracelets

Publications (2)

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EP1925227A1 true EP1925227A1 (en) 2008-05-28
EP1925227B1 EP1925227B1 (en) 2009-01-21

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EP (1) EP1925227B1 (en)
AT (1) ATE421264T1 (en)
DE (1) DE602006005007D1 (en)
ES (1) ES2321440T3 (en)

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WO2012123920A1 (en) * 2011-03-17 2012-09-20 Patrick Magnin Clasp having an extensible loop for watchstrap
EP2524613A1 (en) * 2011-05-19 2012-11-21 Boucledor SA Clasp with extensible loop
EP2644050A1 (en) 2012-03-27 2013-10-02 Rolex S.A. Opening clasp for bracelet
US8789246B2 (en) 2011-06-10 2014-07-29 Suunto Oy Asymmetric butterfly clasp
CN104621872A (en) * 2013-11-07 2015-05-20 斯沃奇集团管理服务股份公司 Bracelet clasp
CN109965464A (en) * 2019-03-05 2019-07-05 天王电子（深圳）有限公司 Folding fastener and wrist-watch
WO2020225654A1 (en) 2019-05-03 2020-11-12 LAVIZZARI, Benjamin Clasp with folding buckle
WO2021165895A1 (en) * 2020-02-19 2021-08-26 Erbas Sa Clasp for a bracelet, in particular of a watch
CN113727623A (en) * 2019-03-21 2021-11-30 宝格丽钟表股份有限公司 Fastener for chain belt
EP4388918A1 (en) 2022-12-22 2024-06-26 ETA SA Manufacture Horlogère Suisse Bracelet clasp

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EP1238599A1 (en) * 2001-03-07 2002-09-11 Luigi Ferrario Foldable fastener for a bracelet
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EP0913106A1 (en) * 1997-10-30 1999-05-06 Dexel S.A. Foldable fastener for a bracelet
FR2782250A1 (en) * 1998-08-14 2000-02-18 Boucledor Sa Clasp for bracelet comprises thin base leaf with thin pivoting leaf can be folded down, and coupling system with push button
EP1238599A1 (en) * 2001-03-07 2002-09-11 Luigi Ferrario Foldable fastener for a bracelet
EP1600075A2 (en) * 2004-05-28 2005-11-30 Jolly Hope Enterprise Limited Clasp assembly for a watch chain

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011154115A1 (en) * 2010-06-09 2011-12-15 Dr. Alex Wellendorff Gmbh & Co. Kg Connecting link
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DE102010023179B3 (en) * 2010-06-09 2011-11-17 Dr. Alex Wellendorff Gmbh & Co. Kg link
WO2012123920A1 (en) * 2011-03-17 2012-09-20 Patrick Magnin Clasp having an extensible loop for watchstrap
EP2524613A1 (en) * 2011-05-19 2012-11-21 Boucledor SA Clasp with extensible loop
US8789246B2 (en) 2011-06-10 2014-07-29 Suunto Oy Asymmetric butterfly clasp
US9282792B2 (en) 2012-03-27 2016-03-15 Rolex Sa Fold-over clasp for a bracelet
EP2644050A1 (en) 2012-03-27 2013-10-02 Rolex S.A. Opening clasp for bracelet
CN104621872A (en) * 2013-11-07 2015-05-20 斯沃奇集团管理服务股份公司 Bracelet clasp
US9173460B2 (en) 2013-11-07 2015-11-03 The Swatch Group Management Services Ag Bracelet clasp
CN109965464A (en) * 2019-03-05 2019-07-05 天王电子（深圳）有限公司 Folding fastener and wrist-watch
CN113727623A (en) * 2019-03-21 2021-11-30 宝格丽钟表股份有限公司 Fastener for chain belt
WO2020225654A1 (en) 2019-05-03 2020-11-12 LAVIZZARI, Benjamin Clasp with folding buckle
WO2021165895A1 (en) * 2020-02-19 2021-08-26 Erbas Sa Clasp for a bracelet, in particular of a watch
EP4388918A1 (en) 2022-12-22 2024-06-26 ETA SA Manufacture Horlogère Suisse Bracelet clasp

Also Published As

Publication number Publication date
EP1925227B1 (en) 2009-01-21
ES2321440T3 (en) 2009-06-05
ATE421264T1 (en) 2009-02-15
DE602006005007D1 (en) 2009-03-12

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